7:20 AM,
Feb. 21, 2013

A customer buys gas Monday for $3.84 at a station in Marion, Ind. Some motorists in Southern California pay $5.20 a gallon right now.

Written by

Gary Strauss
| USA Today

After sending consumers into sticker shock the past month, how much more can gasoline prices climb?

Another 20 to 50 cents a gallon - a level that could propel the cost of gasoline, now $3.75 a gallon on average in Green Bay, to all-time highs, some experts say.

Gasoline prices typically climb from February to Memorial Day on expectations of rising consumption and costlier summer-blend gas. But so far this year, prices are surging sooner and faster than ever before - up 45 cents since mid-January. ...